Finger-guard clamp.



P..B.` HARRISON.

FINGER GUARD CLAMP. APPLIDATION FILED AUG. 9. 1912.`

l,059,361. f y PatentedApnZZ, 1913.

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UNITED sTATEs NPaTiaNT onirica..

IIIILIP `R.` HARRISON, `or IcIIIcAoO,` ILLINOIS, AssIeNoR `To CHICAGORAILWAY: EQUIPMENT COMPANY, or CHICAGO; ILLINOIS, a` CORPORATION orILLINOIS.

FINGERfGU'ARD: CLAMP.:

Specification of Letters Patent.

Patented Apr. 22,1913.l

To all 'whom it may concern Be it `known that I, .PHILIP B. Harrison, acitizen of the United States, residing at city of Chicago, State ofIllinois,` have invented a certain newtand useful Improvement in`Finger-Guard Clamps, of which the following is afull, clear,andexactdescript-ion, such as will enable others skilled in the art towhich it appertains` t0 `make and use the same, reference beingfhad tothe accompanying drawings, forming` part. of this specification, inwhich- Figure l is a front elevational view of my improved finger guardclamp.` Fig.12 is a side elevational Iviewshowingthe clamp in positionon the lbrake beam. Fig. 3 is a detail perspective view of lthe clampwith its guard finger `in position.`

This invention relatesto a new and useful improvement in;finger guardclamps for brake beams, the object beingto construct a clamp which will`fit on; the `compression member of the beam where the space between thetruss rod and the compressionmember is limited, as `for `instance incases where turnbuckles are used to secure the truss rod in position. Itis obvious, however, that my improved clamp can be usedto advantage o-nother forms of beams.`

I-Ieretofore it has` been the practice to make separatefinger guardclamps foreach end of the beam and this necessitates a right and lefthand casting. The present design permits of the use of one patternonly,there,

being two seats for the `guard. `finger `and clamping means for `holdingthe guard finger in either seat. In this manner the clamp may be securedat either end ofthe beam and a guard finger employed in either seat sothat a right and left `hand guard finger is thus arranged on the beam.`

In the drawings, l indicates the member of the beam on which the guardfinger is mounted, and 2 is the; clampingmember` clamping` member isheld securely on `the beam member. One of the lugs 3 is pref# erablyprovided with a strengthening rib 3ft.

The clamping member 2 on one of its sides I is provided with two fingerseats 5 for `the reception' of thelguard finger 6. The-metal between theseats 5 is preferably removed as shown `in Fig.` l so as to enable theouter wall of the seatsto be moved inwardly in clampingthe finger inposition. This inward movement of the outer wall is eected by means of abolt 7 preferably introduced from the beam side and having a nut 8 onits Outer end which, when turned down, will clamp the guard finger inposition.` In this I `65 ployed `for `either the right or left handguard finger, but it is obvious that instead manner, atsingle clampingnut may be emof `having, a continuous `outer wall and `a singleclampingmeans, that the outer wall` might beldivided and a separateclamping means provided for each division and clamp` ing finger.`

What I claim is:

1. Aclamp for guard lingers comprising means for attachment to a beam,`recesses for receivingeither a right or left hand guard finger, andmeans independent of `the beam attachiiigflevices for clamping the guardfinger in position.

2. A clamp for guard fingers comprising movable, and means independentof the beam attaching devices for moving said outer wall inwardly toclamp the right or left hand` guard finger in position.

3. A clamp for guard fingers comprising a a casting `composed ofseparable jaws for embracing apart of the brake beams, seats for `rightand left hand guard fingers, there means for attachment to a beam, seatsfor; receiving` the right and left hand guard fingers, thetouter wall ofsaid seats being` beng a space between said seats whereby signature nthe presence of two witnessed,

the outer wall of the seats is movable, and a this sixth day of August,1912.` clamping medium arranged between the l seats for forcing saidouter wall inwardly to PHILIP' B' HARRISON' 5 olamp'ether the right orleft hand finger Witnesses: A-

guard in lts seat. E.V T. WALKER,

Intestimony whereof I hereunto affix my M. F. HUNTQON Copies of thispatent may be obtained for ve cents each, by addressing the Commissionerof Patent:

Washington, D; CJ

